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R1448/src/gradient.hpp
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gradient.hpp
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#ifndef __GRAD_HPP__
#define __GRAD_HPP__
/** for both gradient and second derivatives **/
//inline
//struct point rotateCoordinateSystem(struct point P, double theta);
inline
struct point rotateCoordinateSystem(struct point P, double theta)
{
struct point Q;
Q.x = P.x*cos(theta) + P.y*sin(theta);
Q.y = P.y*cos(theta) - P.x*sin(theta);
return(Q);
}
/** gradient **/
struct point module_potentialDerivatives_totalGradient(const int nhalos, const struct point *pImage, const struct Potential *lens);
//
struct point module_potentialDerivatives_totalGradient_SOA(const struct point *pImage, const struct Potential_SOA *lens, int nhalos);
struct point module_potentialDerivatives_totalGradient_5_SOA(const struct point *pImage, const struct Potential_SOA *lens, int shalos, int nhalos);
struct point module_potentialDerivatives_totalGradient_8_SOA(const struct point *pImage, const struct Potential_SOA *lens, int shalos, int nhalos);
struct point module_potentialDerivatives_totalGradient_81_SOA(const struct point *pImage, const struct Potential_SOA *lens, int shalos, int nhalos);
//
struct point grad_halo(const struct point *pImage, const struct Potential *lens);
//
/** PIEMD **/
complex piemd_1derivatives_ci05(double x, double y, double eps, double rc);
//
//struct point (*halo_func[100])(const struct point *pImage, const struct Potential_SOA *lens, int nhalos);
/** Potential **/
/*
void module_readParameters_calculatePotentialparameter(Potential *lens);
void module_readParameters_calculatePotentialparameter_SOA(Potential_SOA *lens, int i);
*/
#define KERNEL(RCUT, ZRES) \
znum.re = cx1*x; \
znum.im = 2.*sqe*sqrt(RCUT*RCUT + rem2) - y/cx1; \
zden.im = 2.*RCUT*sqe - y; \
norm = (x*x + zden.im*zden.im); \
zis.re = (znum.re*x + znum.im*zden.im)/norm; \
zis.im = (znum.im*x - znum.re*zden.im)/norm; \
norm = zis.re; \
zis.re = log(sqrt(norm*norm + zis.im*zis.im)); \
zis.im = atan2(zis.im, norm); \
ZRES.re = - zci.im*zis.im; \
ZRES.im = zci.im*zis.re; \
\
#endif
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